| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 42 of 122 | 65% | 7 of 12 | 41% | 5 | 10 | 10 | 24 | 0 | 4 |
| customSignature() | | 56% | | 25% | 4 | 5 | 10 | 19 | 0 | 1 |
| lambda$customSignature$0(Expression) | | 81% | | 75% | 1 | 3 | 0 | 1 | 0 | 1 |
| GreatestLeast(String, Expression, Expression[]) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| GreatestLeast(ScalarFunctionParams) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 |